{"product_id":"cweddcem","title":"Durable Cation-Exchange Membrane (CEM, PF-E27) for Wastewater Electrodialysis, CWEDDCEM","description":"\u003cp\u003eWhen selecting a cation-exchange membrane (CEM) for wastewater electrodialysis (ED), durability goes beyond standard electrical resistance. Industrial and municipal wastewater streams present severe challenges, including organic fouling, surfactant adsorption, mineral scaling (e.g., Ca^{2+}, Mg^{2+}), and aggressive chemical cleaning-in-place (CIP) cycles.\u003c\/p\u003e\n\u003cp\u003eThe key performance traits for wastewater durability: (1) \u003cstrong\u003eAnti-Fouling Surface Morphology\u003c\/strong\u003e: Smooth, hydrophilic surfaces minimize the electrostatic or hydrophobic adsorption of foulants (such as humic acids, proteins, and linear alkylbenzene sulfonates) that cause electrical resistance to spike during long-term runs. (2) \u003cstrong\u003eDimensional Stability Across Osmotic Shifts\u003c\/strong\u003e: Wastewater feeds frequently experience drastic concentration fluctuations. A robust CEM must resist excessive swelling and shrinking to prevent mechanical stress, micro-cracking, or seal leakage in the stack. (3) \u003cstrong\u003eResistance to Chemical Cleaning (CIP)\u003c\/strong\u003e: Must withstand frequent exposure to acids (HCl, citric acid), bases (NaOH), and oxidizing sterilizing agents (such as dilute hypochlorite or hydrogen peroxide) without polymer degradation.\u003c\/p\u003e\n\u003ctable style=\"width: 100.071%; height: 288.4px;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 35.6px;\"\u003e\n\u003ctd style=\"width: 33.767%; height: 35.6px;\"\u003e\u003cem\u003ePart Number\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0192%; height: 35.6px;\"\u003e\n\u003cp\u003e\u003cspan\u003eCWEDDCEM (C-WED-DCEM)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.767%;\"\u003e\u003cem\u003eBrand Series\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0192%;\"\u003e\n\u003cp\u003e\u003cspan\u003eCEM (PF-E27)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.6px;\"\u003e\n\u003ctd style=\"width: 33.767%; height: 35.6px;\"\u003e\u003cem\u003eMembrane Thickness (Wet)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0192%; height: 35.6px;\"\u003e\n\u003cp\u003e\u003cspan\u003e170 ~ 190 um \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eePTFE reinforce layer is presented\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.6px;\"\u003e\n\u003ctd style=\"width: 33.767%; height: 35.6px;\"\u003e\u003cem\u003eElectrical Resistance \u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0192%; height: 35.6px;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u0026lt; 2.2 Ω*cm2\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 33.767%; height: 39.2px;\"\u003e\u003cem\u003eMaximum Current\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0192%; height: 39.2px;\"\u003e\n\u003cp\u003e5800 A\/m2\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.767%;\"\u003e\u003cem\u003eExchange Capacity\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0192%;\"\u003e\n\u003cp\u003e\u0026gt;1.0 mmol\/g\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.6px;\"\u003e\n\u003ctd style=\"width: 33.767%; height: 35.6px;\"\u003e\u003cem\u003eOperation Temperature \u0026amp; pH\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0192%; height: 35.6px;\"\u003e\n\u003cp\u003e\u0026lt;90°C, pH: 0-14\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.767%;\"\u003e\u003cem\u003eNotes\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0192%;\"\u003e\n\u003cp\u003e\u003cspan\u003eThe mark side must face to anode.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe membranes should be immersed in the 2-4% Na2CO3\/NaHCO3 solution or 0.4% NaOH solution. Keep it in hydration status. \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.6px;\"\u003e\n\u003ctd style=\"width: 33.767%; height: 35.6px;\"\u003e\u003cem\u003ePackage Grade\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0192%; height: 35.6px;\"\u003e\n\u003cp\u003e\u003cspan\u003eL10-30cm*W10-30cm\/pcs\/pack\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eReference: \u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0167273822001333\"\u003eH. Tang, et al., Anion conductivity of cation exchange membranes in aqueous supporting electrolytes, Solid State Ionics, 2022, 383, 115984\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S2451910322002678\"\u003eY. Liu, et al., Journey of electrochemical chlorine production: From brine to seawater, Current Opinion in Electrochemistry, 2023, 37, 101202\u003c\/a\u003e \u003c\/li\u003e\n\u003c\/ol\u003e","brand":"MYKJ","offers":[{"title":"10cm * 10cm","offer_id":48386457141478,"sku":"CWEDDCEM1010","price":89.0,"currency_code":"USD","in_stock":true},{"title":"20cm * 20cm","offer_id":48386457174246,"sku":"CWEDDCEM2020","price":279.0,"currency_code":"USD","in_stock":true},{"title":"30cm * 30cm","offer_id":48386457207014,"sku":"CWEDDCEM3030","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/CWEDDCEM_main.jpg?v=1789630579","url":"https:\/\/echemsupplies.com\/products\/cweddcem","provider":"EChem Supplies","version":"1.0","type":"link"}